mirror of https://github.com/gchq/CyberChef.git
63 lines
1.7 KiB
JavaScript
63 lines
1.7 KiB
JavaScript
/**
|
|
* @author j433866 [j433866@gmail.com]
|
|
* @copyright Crown Copyright 2018
|
|
* @license Apache-2.0
|
|
*/
|
|
|
|
import Operation from "../Operation";
|
|
import OperationError from "../errors/OperationError";
|
|
import { isImage } from "../lib/FileType.mjs";
|
|
import { parseQrCode } from "../lib/QRCode";
|
|
|
|
/**
|
|
* Parse QR Code operation
|
|
*/
|
|
class ParseQRCode extends Operation {
|
|
|
|
/**
|
|
* ParseQRCode constructor
|
|
*/
|
|
constructor() {
|
|
super();
|
|
|
|
this.name = "Parse QR Code";
|
|
this.module = "Image";
|
|
this.description = "Reads an image file and attempts to detect and read a Quick Response (QR) code from the image.<br><br><u>Normalise Image</u><br>Attempts to normalise the image before parsing it to improve detection of a QR code.";
|
|
this.infoURL = "https://wikipedia.org/wiki/QR_code";
|
|
this.inputType = "ArrayBuffer";
|
|
this.outputType = "string";
|
|
this.args = [
|
|
{
|
|
"name": "Normalise image",
|
|
"type": "boolean",
|
|
"value": false
|
|
}
|
|
];
|
|
this.patterns = [
|
|
{
|
|
"match": "^(?:\\xff\\xd8\\xff|\\x89\\x50\\x4e\\x47|\\x47\\x49\\x46|.{8}\\x57\\x45\\x42\\x50|\\x42\\x4d)",
|
|
"flags": "",
|
|
"args": [false],
|
|
"useful": true
|
|
}
|
|
];
|
|
}
|
|
|
|
/**
|
|
* @param {ArrayBuffer} input
|
|
* @param {Object[]} args
|
|
* @returns {string}
|
|
*/
|
|
async run(input, args) {
|
|
const [normalise] = args;
|
|
|
|
if (!isImage(new Uint8Array(input))) {
|
|
throw new OperationError("Invalid file type.");
|
|
}
|
|
return await parseQrCode(input, normalise);
|
|
}
|
|
|
|
}
|
|
|
|
export default ParseQRCode;
|